Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Road Test
Verify the customer concern by carrying out a road test on a smooth road. If
any vibrations are
apparent.
To maximize tire performance, inspect for signs of incorrect inflation and
uneven wear, which may
indicate a need for balancing, rotation, or front susp ...
Functionality
With the ignition switch in the RUN position, voltage is applied
through the warning indicator I circuit
904 (LG/RD) to the voltage regulator. This turns the regulator on,
allowing current to flow from battery
sense A circuit 36 (YE/WH) to the genera ...
Cleaning leather seats
• Remove dust and loose dirt with a vacuum cleaner.
• Clean spills and stains as quickly as possible.
• For routine cleaning, wipe the surface with a soft, damp cloth. For
more thorough cleaning, wipe the surface with a mild soap and water
solution. In C ...
